const md5 = require('./md5');
const formatTime = date => {
  const year = date.getFullYear()
  const month = date.getMonth() + 1
  const day = date.getDate()
  const hour = date.getHours()
  const minute = date.getMinutes()
  const second = date.getSeconds()

  return `${[year, month, day].map(formatNumber).join('/')} ${[hour, minute, second].map(formatNumber).join(':')}`
}

const formatNumber = n => {
  n = n.toString()
  return n[1] ? n : `0${n}`
}

const getSign = (secretkey, vid) => {
	const timestamp = Date.parse(new Date());
  const contact = `${secretkey}${vid}${timestamp}`;
	const sign = md5(contact);// MD5小写
	return {
		timestamp: timestamp,
		sign: sign
	}
}

module.exports = {
  formatTime,
  getSign
}
